Daily Practice

Higher

8th July 1973

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
22 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has a minimum of 11 and a maximum of 60. Work out the range.
3
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
4
Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 - 8x - 10 = 0, to 2 decimal places.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 12. Work out y when x = 2.

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